Filming inside a live volcano on Ambrym, Vanuatu

Journey into the centre of the planet with the nzherald.co.nz breaking news team of Geoff Mackley and Bradley Ambrose, they have spent hundreds of thousands of dollars venturing since 1997 into the Marum volcano on the island of Ambrym in Vanuatu. Risking their lives daily from acid rain and lava splatters all for the perfect shot inside a crater that can easily hold Auckland's Sky Tower. The reward being 'to come out of it alive'.